Microsoft Defender: Offline Scan Stuck at 90% or Not Launching at All
Hi,
I’m currently experiencing several issues with Microsoft Defender Antivirus, especially when trying to run an Offline Scan.
On my first PC, the Offline Scan launches normally, but it consistently gets stuck at 90%, always at exactly the same point, with 47,719 items scanned. I’ve waited for more than an hour on several occasions and have also tried running the scan multiple times, but every time it gets stuck at 90% and never finishes.
On my second PC, which is relatively new, the Offline Scan doesn’t launch at all.
The problem doesn’t stop there either. Every time a scan fails to complete, Microsoft Defender becomes completely disabled, and I receive one of the following messages :
“The Threat Service has stopped. Restart it now.”
or :
“Unexpected error. Sorry, we ran into a problem. Please try again.”
This happens on both of my PCs.
The regular scans, such as Quick Scan and Full Scan, can normally be started, but if I push the scans too much or they fail to complete, Defender ends up disabling itself as well.
I’d therefore like to know if anyone else is currently experiencing similar issues, or if there might be an ongoing issue on Microsoft/Windows’ side that is causing Microsoft Defender to malfunction, particularly the Offline Scan.
Thanks in advance for your replies and help !